Abstract
The influence of anthropogenic pollution with dust containing heavy metals on changes in physiological, cytological, and biochemical characteristics of spear saltbrush (Artiplex patula L.) seed progeny grown under conditions of extreme continental climate and permafrost in Central Yakutia was studied. Anthropogenic pollution with such dust of the parent habitat led to the decrease in physiological characteristics of seed progeny: germinability, root length. In this case, there was an increase in the lipid peroxidation intensity, the contents of low-molecular antioxidants and activity of antioxidant enzymes, and also the rate of molecular-genetic processes (replication and reparation of DNA, protein translation) against the backgrounds of a relatively small increase in mitotic activity in seedlings grown from produced seeds as compared with control. This can be considered as adaptive responses of A. patula to the action of chronic anthropogenic environmental stressor in a certain range of its intensity.
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